chuck todd joins us from the debate site at the university of denver. chuck, what are you watching for tonight? >> the buzz word, the buzz phrase of "middle class." essentially, the reason romney is behind is because he's been losing that attribute to president obama by double-digit margins. i think it's been the most important attribute of the campaign, because it explains why is the president in a tough economic times, why has he been winning or at least neutralizing the economic argument and staying ahead in the polls. it's because he has been winning that attribute, if you will, of who's more in touch with the middle class, who looking out for the middle class. obviously, 47% was a huge body blow to romney. he was already in a deficit on this issue, of not being, looking out for the middle guy. so that, to me, is sort of how does romney try to deal with this tonight? he's been trying to deal with it for the last ten days, ever since the 47% comment came out. how he tries to do it. they acknowledge, the romney campaign, that this is their number one